{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "55476",
    "entityType": "User",
    "nonce": "0x686b51903a949f2e128e8a46ffcd28cb39cbd7f5fcea29901fac1ec631724899",
    "signature": "0x1037c7d19e27fede665f582040f4ea4b423c8228c0b30fb1a0cd99ca3588e67a3975b064bc93bc1c699080e925520aff08b4d691eb31b14b6aed9ff98962295d1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}