{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360331",
    "entityType": "User",
    "nonce": "0x5140b8344fcb1e0d38c473480b39a37c2d7aa07d0cb5a809d29361a0fc021b87",
    "signature": "0x9680a06dfdab21f9315f25bf4a73f43905e0016ff75dcb39ef683f2ea82110cd3ff21fd74435e2baac6f4ec054772cac8efb326d30ab6784dc196320d68991381b",
    "signer": "0x4FE03EBa54cE65755f1837Ee7F391591ecE103AD",
    "userId": "995184817"
  }
}