{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "965042984",
    "entityType": "User",
    "nonce": "0x223004790c2784952dc524df568a52ce789dc477811c0aefdb04e3f0db0c3e41",
    "signature": "0xdc434a6b7341d8511b08b3fdb4850822fc1e8345519e004c9ecb9e4a1f6713bc10b9a5b90ef845bbef57d9f496583defab310e95a239c3e35819e4ce87a471991c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}