{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "360354",
    "entityType": "User",
    "nonce": "0xfd6b63b7b7792f66807998a25068f7896bbef304f2c1ad4c323ff311e123c60c",
    "signature": "0x02ea7f009458ddf5b3a2a067df1f14f67882d7f6331c8ac545b41fe6076a554c57a855f1b38e1cef13fe504386aa7daaeef6fe8ab850dea1d895fbc53a51e21f1c",
    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}