{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "871324932",
    "entityType": "User",
    "nonce": "0x3ff865c2f3738aac73d96c0f6a70ec9a9265d56bcb5cb3e7cae295eba2b7125e",
    "signature": "0x943011c817cb3e0fafc73486af1dc41eece189e6aea1b10ba24410581412020541d602df4f805d95b4f46ec27c5fcb648270dc33148bb5e8885541995f7f24a51b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}