{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5094",
    "entityType": "User",
    "nonce": "0xe99ca8e3b866aad88ce9d01674e22c48403a609f29cd11800ce18080b138392b",
    "signature": "0xca4478753fb222396b94c49fba153adcea51420a9edf7fdc72d547f923d4fd12161fe115a1a4dc13226373315b27830f56dc7bd63f8ba3e8cb3200c4f79d62101c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}