{
  "manageEntity": {
    "action": "Save",
    "entityId": "237183256",
    "entityType": "Track",
    "nonce": "0xba036886fffab934fff221274393932616bea6a03ad6b604039ec0e124c7f5e4",
    "signature": "0x91f4a92b4095b9d22504f6744cd022bf3adc967390f27d68f358d5b027d885132d82420c03442fe99e27f2447ac9e744201d9dd1c9fcd1aec2078d3b5be83fa11b",
    "signer": "0x06F989586c5477333A41f6057f224Df79903862a",
    "userId": "24240642"
  }
}