{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "159843",
    "entityType": "User",
    "nonce": "0x9cfbb8f04dd0bdeec6d9daa77d234280bf8e3a2724f27dcfa7889b591f108033",
    "signature": "0x5837c186019f1848546dfd2e8de0ca3ffee67b20f96faa308d31b6b413bcd82868eec7c973db46a6bfd4147290d7e179721e7888a9ed31a4ec60bb48d7e0d3ef1c",
    "signer": "0x9db84b5af18534d8Ee180c90E1377f813B5Ec313",
    "userId": "741417198"
  }
}