{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "171877",
    "entityType": "User",
    "nonce": "0x4f6e70a10b02460f3e962d343af42e15a68af6c2b88dd9484b096e66b7aa3906",
    "signature": "0x675819f35b4b1726aca8ccd589fffad863af7f92ecf94595b25ed7e3fbfebb9718bbf7df151b773958a3a0c80e421a2c710559c60f6403efecc8e15f108142601b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}