{
"manageEntity": {
"action": "Save",
"entityId": "2086850173",
"entityType": "Track",
"nonce": "0xf78c96f241745b0180086df7cc13717b4122e3af0a0d930ba206bff199c6f8ea",
"signature": "0x810021f5345591974848cad4963b7b0452c339d79d083021d1c2b9d9340e124501b9c36c40c7a5dc3b970443454d2222cfa755fc4a72f1f4e883858a3d2d3a3b1c",
"signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
"userId": "614212580"
}
}