{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112350",
    "entityType": "User",
    "nonce": "0xc5dbfc36506f4b43074c429b5d0f476320e1643eadf142cd3eec6f625d46570a",
    "signature": "0xa27cf89a1c1493adfb67c3661dfc6ece119d61f04090bf80373652dbd779d23d7f4a75541fd963caea9d02766297a0618b46274689e389cf71b896ae4dd0562c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}