{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0x789e0c241cb71c5f065af4f88a7e92207eaee7ce1905de40aa9fe288869be7b6",
    "signature": "0x0d8a577649a2e8a5921e6f7eef713af15c5810092590dd98bd92d42bcb0ba63f2e3a8dfe4b106f4c9acc2ff01dc54bacbdc84ff14efd6f3a2fe7f87182b115ee1c",
    "signer": "0x674FFC02F71bdD4bD3Ae60c618579EBDD541E397",
    "userId": "787787230"
  }
}