{
  "manageEntity": {
    "action": "Save",
    "entityId": "790348303",
    "entityType": "Track",
    "nonce": "0xb653e23eebd7322da0e90ffb4116b353a096873ddafa78c2f96fdd57e9c5a965",
    "signature": "0x69b573227ba1fb51735efb38c5413b6eac1504dbeba4cca7eed7af943afb78b13c3fbb192e364024dec7a63f092ee141909a874d9ed822e87a0b85e33ec51a9f1b",
    "signer": "0x036B1ee0d2003ae5B5E252d58647d13f0e588EEB",
    "userId": "161353174"
  }
}