{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "241047",
    "entityType": "User",
    "nonce": "0x80f61995f50b401a856465b9f8d82c8afef027ecdbde20da26ae42abcadd56c9",
    "signature": "0x96be1b474e830bc8f0f724a593d878faa8c49e976471a925a95a206baf3fdadf66dbb29a3f2c39a8d4833f4ddc043c694850f25af5128cdbc72b79b1198231081c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}