{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "149566028",
    "entityType": "User",
    "nonce": "0x209be16fe8688d9be9eddd9a3c04233fb29cdb842c8cedf8b3a18c5fa741f9a4",
    "signature": "0xbc8a3c5875e448190a0a6dfe393f5c086adff1136daeaf4f24ba0f5713b5edb80b32b6be61adb0391d3852e9cd1c6feca186b2e7ca0f964c6c1073737704bdd61c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}