{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176201",
    "entityType": "User",
    "nonce": "0x1ead675a3010d3cacf94b27985431486c5d9e222648886f26ebb345d0f8f112a",
    "signature": "0x18a3c3970e436f3ef01ace5e0f55d35d249a0f66c41d93b434eb0b0bfea9583f7646a0b0d6cca1d316a319df65604bff71ba9f7394fec3334bdb134f236595781c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}