{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1714556",
    "entityType": "User",
    "nonce": "0x1835b13613942df5f49591632965275b4c6fa2543537c7f78ff537c6c853cbf5",
    "signature": "0xf4ff1c7f07168ed116b6af9254906d3d3b2807524d0337ac958eae941055452612ae77ea43fda55be11097acdab5a2fffea1e7695ac1ddb33545ee782697a6e11b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}