{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "75999",
    "entityType": "User",
    "nonce": "0xf5d1cc3f53715f75b632af205eac4d77e8fde2c0cc4e71364dba7a6227a26de9",
    "signature": "0xdf0387f4bd2ca5b6430089adb626df05bacc46144ae396b4dcf60d85b4e6883242d4cebb744109c799fa8cc0f170b469d34bb4424723c87343c51723d5b8bede1b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}