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{
  "type": 19,
  "version": 3,
  "recipient": "3N3Cn2pYtqzj7N9pviSesNe8KG9Cmb718Y1",
  "id": "BLMA4vkfe2S5UFHnoPyTh8SJmpTA1deh5SnWk1bdfjhq",
  "sender": "3MtHYnCkd3oFZr21yb2vEdngcSGXvuNNCq2",
  "senderKeyType": "ed25519",
  "senderPublicKey": "4EcSxUkMxqxBEBUBL2oKz3ARVsbyRJTivWpNrYQGdguz",
  "timestamp": 1519862400,
  "fee": 500000000,
  "proofs": [
    "2AKUBja93hF8AC2ee21m9AtedomXZNQG5J3FZMU85avjKF9B8CL45RWyXkXEeYb13r1AhpSzRvcudye39xggtDHv"
  ],
  "height": 1248655
}

• id and height should be omitted when broadcasting. These fields are set by the node.

• Binary strings are base58 encoded.

• timestamp is in microseconds since epoch.

• fee includes 8 digits, so LTO * 10^8

Binary schema

The binary data structure of the unsigned transaction.

V3 (current)

#	Field Name	Type	Length
1	Transaction type	Byte (constant, value=18)	1
2	Version	Byte (constant, value=3)	1
3	Network id	Byte	1
4	Timestamp	Long	8
5	Sender's key type	KeyType (Byte)	1
6	Sender's public key	PublicKey (Array[Byte])	32 | 33
7	Fee	Long	8
8	Recipient	Address (Array[Byte])	26

• Network id can be obtained by taking the 2nd byte from the sender address.

• Each key type has a numeric id in addition to the reference from the JSON.

• Integers (short, int, long) have a big endian byte order.

V1

#	Field Name	Type	Length
1	Transaction type	Byte (constant, value=19)	1
2	Version	Byte (constant, value=1)	1
3	Network id	Byte	1
4	Sender's public key	PublicKey (Array[Byte])	32
5	Recipient	Address (Array[Byte])	26
6	Fee	Long	8
7	Timestamp	Long	8

• Network id can be obtained by taking the 2nd byte from the sender or recipient address.

• Integers (short, int, long) have a big endian byte order.