{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "571117272",
    "entityType": "User",
    "nonce": "0xacd93590077383860d2de6eb69dcc79b009b50ba89f8854a622522d087f150e7",
    "signature": "0x512058472757892c4ec6049b5e504108e384cf434daaa8425973109a1fc0ec0c5157ebecbf2c10f1b82ebb0fc632c3a533fa03a940158f4824145cd2d83e914b1b",
    "signer": "0x81a82c2126e99E88D939ca7e1FCD1AE9bE314Bd9",
    "userId": "778996640"
  }
}