{
  "manageEntity": {
    "action": "Save",
    "entityId": "132478179",
    "entityType": "Track",
    "nonce": "0xc12ac97d8ab70aed65039dd3ea3e409247cdbad00ae6c12beda0d974ed32b695",
    "signature": "0x8528c0ac2778b423814d13dd5a8032bf8e364f277d8afe4a9c9c1a7a73e1065b256bb48a1ddd80b8c790a7a189e3b142817fe50d643b502660a322b7a71834a31b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}