{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7049",
    "entityType": "User",
    "nonce": "0xe24aff99aa7de8b8b8e38d91cf5a255430f9fb51d2aaa8c121a0031c48b03099",
    "signature": "0xdb28cff800361eeb5daf19e346046b36439e610dc7d191089b234e21cc6d8c4a27343c2936dd9900ddc7f0ace0e0a6fc31aac28bc183cccb5ac47d15d7cd523d1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}