{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "636236864",
    "entityType": "User",
    "nonce": "0x4c4fb8e21bce21b6f2843bde2f962b5a358a7c60a85866514702799f7334a06e",
    "signature": "0x98b58a83941efbf9a0cff42a244696d84724155d8a731682f5e1e3ce5b0876e278c6a3ee17d5b64f74e6a762f5fdfb51728d8c87f480083132be030ea78433071c",
    "signer": "0xad1E2A70fa1227797344FD6df31327a26552461a",
    "userId": "153162"
  }
}