{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "333763354",
    "entityType": "User",
    "nonce": "0xfe4bf232d8079e7200800bab11d87c1a6592232d2a050c0ce38016c88061bf7f",
    "signature": "0x6c7eab41b86deab2a97b368bbec69a6275a72614224d049e89c22ad6b12487bd6f33db29cdf74a08b893213f5976ffa8b4dbb548f63e545cc1776b8ff1f6366d1b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}