{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "134529",
    "entityType": "User",
    "nonce": "0xed85fc73e1f0f333f9e2ca3208d5f2b73f8ed803892bc13fde8ecd71aaf147b0",
    "signature": "0x43618ce1796dc81976ae44f2703f3db2d4bb48506bf4315035633e28378ecf0457f194949e43e04884cab86726625337423243ce6a7aa9c6f9e79746fc7442881c",
    "signer": "0x7451Cf52e883bc4483b88591c194dc3942E7F191",
    "userId": "584186978"
  }
}