{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "88050",
    "entityType": "User",
    "nonce": "0xf3b4561e3c81b33afbd8f697901afdd4dc079197ffbd7d90984fa6c735b50353",
    "signature": "0xd7ed1782723aed9b36b7b3a86190fe4b4f91a5fe7af512c30339414e072b5eca3b9f119d6c2eac281b4c8ca34d6cd661541d78f5929c3e7e18aa0844ec6f7afc1c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}