{
  "manageEntity": {
    "action": "Save",
    "entityId": "2085894227",
    "entityType": "Track",
    "nonce": "0xfb85e5df3831f7c554c44cc2fe9b82d268e23f591b17346cdac28b6db8d6cb83",
    "signature": "0x0f0027db20665871148c0e44be047e6d7bbaded99f0d4bf0fa89346d3330c5992d41765d8c7716bf725d90bfbb80df736ae3605f5aad718bd2db010f03343fe81b",
    "signer": "0x79375D6d575fE2a038916001077f90CbAE12d4A9",
    "userId": "973873678"
  }
}