{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0x5392391bd1da9238294d59472765732fff61168109e8636112bf00284f8079f5",
    "signature": "0x202562484a4011077f7f2b18b752287b0a1a2f4fad49de371bfcbc199ac4729f482b665204a10a46744b1a365d6c4f76523332422fc5cc9b1beb507e6342397a1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}