{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854614078",
    "entityType": "User",
    "nonce": "0xacd8be111744c7b9fb4e616182b4d35a6446be61b600c32f5df2ce11652fd4f1",
    "signature": "0x548c7b743cd845bcc42049094cb53f156aa0620b4a14356a4896fd118f6142085fe472ac947cebd8cfc3a09ecbec08e6ec417c6c9632a3509c8f24b164afb5461c",
    "signer": "0x1ffc036ED61ac5d7de503819964160272fD4e2F2",
    "userId": "133937"
  }
}