{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x6fc1aac43b109850d98284d89f94074669f5249164288be89b742e82430d2fb4",
    "signature": "0xa991d11fead74d257781172f94e38b0f8e21f14778f1e3ca3f8ec63ce5a774505cd29de49f2d65f2ca292c6497ea92ba937cc4c903a217d66b59b4433d6be9121b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}