{
  "manageEntity": {
    "action": "Save",
    "entityId": "35327584",
    "entityType": "Track",
    "nonce": "1792290737074299591",
    "signature": "0x55680cbd47b130327800f11e95125f47a136c845e8ab112dff62f629ae603d197732858e84a01c7408dbe5ab992d874ba8142060925514c497e6380bd88a6c921b",
    "signer": "0x23dF8876fD80368D375d911e3CbDFd15B8e85CB5",
    "userId": "827420993"
  }
}