{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x1d8380db4f2ebb57ec8d6d5365731ea64c8030ec7acc2cef0090175c7d74e7e9",
    "signature": "0x91d3737c82254db48d3cd6b502aaaf5ad355575bed36de61fda9b6dcae90e8426d94d20aa36fcb7f60e99bb5b53768498ea13785b76b69eb914ad7921329f1391b",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}