{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "894582993",
    "entityType": "User",
    "nonce": "0xe1eff80b259d35923cd6462c246df6bc0c5f59ebe6a12c0fc3defdebfc4f42d7",
    "signature": "0x1b23a8f2f140cb8bd19ce572e44d93d047a06800eb4a406b03e996a0144e59a47df34e544b6a01ae0c18cb18b273943c621464d8e8b0ede9942cd96145d5ff6d1b",
    "signer": "0x4a4E686a6442e2Fc2495a7d4363B25c583Ea3c3a",
    "userId": "34815"
  }
}