{
"manageEntity": {
"action": "Save",
"entityId": "2020069880",
"entityType": "Track",
"nonce": "0x598e28be369a5ec38a7ac64ec36f804b062e0add7a48b10b7e4d45d4f6d69ebc",
"signature": "0xf914b1de6f080e04a2ac1286b6509542d0d5a1a08997f6d6315cb975c126e54b64ba2e1a0d3fab325e0867f687d5234941f6f6e15340ff0a3045929f3d82ff971c",
"signer": "0xf765901fa8CEf102E6aB615eB224ff151Daeef98",
"userId": "582942186"
}
}