{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38358",
    "entityType": "User",
    "nonce": "0xec0d9612726d5ca3bb78913f6360954d2b6d44c2e4822b9ac3c6d516054ce6e4",
    "signature": "0x8b4cceea1ccfc83e925fcbbc08f9f13c863861c65528a093efafbb6c4af0d7e861c5680ce52125986257489b68d6fa9bdae0e4a6c5cb8de006e1c19f6f9907f11c",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}