{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "880873525",
    "entityType": "User",
    "nonce": "0x59e2bb0c20766bfec9c7bab16b171dcb3a6216d2f4402f0fbd741a2c7e4cf0d9",
    "signature": "0x53ce70c176b264e779d41e5c841ba60b50b43179dd54dda8c3e63e8b0dfed50e3b9f578dae56db5c8fc3cffaebf5bcead060f8806fe90e38c72d6d17fa6913d01c",
    "signer": "0xf0cFA206b9d4522724e13fb1B9Aa62e31122e1fc",
    "userId": "222289659"
  }
}