{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "355113",
    "entityType": "User",
    "nonce": "0x605ce3c9befa67d454b27e79de6a46db5dc79d94a6954f86eaec819303964c2c",
    "signature": "0x7b8c35b32bf69a4ea24c30420f3eca2235656f851cba8c70e453c2a790f0e3c13eb69ddf4a9b3aec939d23e352f785316af80aff515297b671f96fd3db4e30951b",
    "signer": "0x9ca65cF3aD8eA1f8C3232cc2aa43511b89a5aaEf",
    "userId": "63344882"
  }
}