{
  "manageEntity": {
    "action": "Save",
    "entityId": "1169965381",
    "entityType": "Track",
    "nonce": "0x95b81c4dd66253e8809613f9a2a2cd21b3e03d500d4f4fc58315c96b36a07b87",
    "signature": "0x7db719354d9c250b0eb4f1170a048446d440fecd6eb887d1183e2b25af4ea37244e07be3a62671266819d3218427231b35ae53affb89e3a90940421bb8fe3ebe1b",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}