{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "436241",
    "entityType": "User",
    "nonce": "0x2577caec7e7ebc24290858de5dcac37937e79de4bde1b59220d916e0155a4f0a",
    "signature": "0x5ce96612c37a2b7e280823d62ecc471dd4a071d17c5a9bc583555764093f0c1e17ac977ca6e9649d005677499b9738aadf70bab386e60b9740941aa36874af121b",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}