{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "477831486",
    "entityType": "User",
    "nonce": "0x63ab83b3626c9570a5df200bb52adab62dab6459247ddf44b43faa0300cd1998",
    "signature": "0x92741606d27f47f416902e8a9baec13fce8a5399a1ec28372e5c750bd9c665260d387a41d94ce72a8f12ec9d3a30126c7256ddc91c06a522bddfde81e8d4bb091b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}