{
  "manageEntity": {
    "action": "Save",
    "entityId": "86277668",
    "entityType": "Track",
    "nonce": "0xb7c92e79731f241798d3fd586acd85983a38badef7bc7da3b0e50101065b07e9",
    "signature": "0x0d79765e48cf8ab70a730f92da912fdc8b60eb2b4a1a9860f5c691635f92dfae70ba0d65ad3fa90e59210711375a32269347e056f231965a6a170f7bb73bf93a1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}