{
"manageEntity": {
"action": "Save",
"entityId": "1293830505",
"entityType": "Track",
"nonce": "0x6232ccc5ae3959c7e3a653e4a5abe26eed1da43c9921c58494302008cbba33db",
"signature": "0x9ee2a6cba7669d7cf465f78a6faccaabc875491ef1ac655e5c9f0c25c46d96dd6171649cb8d6092f2227c01d605de568439dca911fa9aff069ca07d1a847661a1c",
"signer": "0x796D60E9fE921C82Ef20f6329e27dD246392f542",
"userId": "809803"
}
}