{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "48454788",
    "entityType": "User",
    "nonce": "0x94ebf730f108918e5f7eeb6b81c8b29b9fcd13c9bdd208eb4c70c06f160e7767",
    "signature": "0x3c4ebe8bdeb4e2c4b51fe2ada6e81016fee664c0321d970930ebe4cf131c102d340e24daf9da0b17263b0be9c417db192aecabe4fde5542e8a6657ba50cde5f31c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}