{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134018",
    "entityType": "User",
    "nonce": "0x444159424d9ed0416fba5d4ba70769e68316907593b62ae4c7cad6ea62e46e96",
    "signature": "0xc5a8afbd1436ed9fff72ed43416fe4d8892045f88cadeb662174e1c65ba32ad93957f29df5122a319f3b8ac07995b97208ce3290488a2059b0ce56af6c5e57ae1b",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}