{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0x87a18b57f5b4a212a972001588b60f02e830cd90e9fb41b02f4bed899209665a",
    "signature": "0x4f0a2e71c2ac892be971ea580ff12ba506949f587d62c8361c912116ddcf777e5130af8e98a0c13b8c6d451ca371c17ca61bf58697b7153ede98b1b1464aae511b",
    "signer": "0x6802Fe39C5FA9f99ac1Aa32F164982185A3E70ea",
    "userId": "152482938"
  }
}