{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367796",
    "entityType": "User",
    "nonce": "0xb1ded03cce1438e165e629e54278f8dcce4b7ae2f0a724166b20ad01888f9ddf",
    "signature": "0x666b2323dd721d62510c43ecec2e1dd0384f39b3e8b387fbc59909adc6062124308bc372bbbbbd4268efcef4330c34b80dcb6d7fa37873bfedfa434731068e161c",
    "signer": "0xbA83b3D0645C0C99c76cB296B0BA81bD641DB81c",
    "userId": "951995708"
  }
}