{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "665",
    "entityType": "User",
    "nonce": "0xaf135e819f0db18597e68ffb0a79236935547b8b497b521c990544211517dec2",
    "signature": "0xdc229e1a6a8f16dcad5e56beeddd8d575cd3e6e973f24eb6ee12aca17e73961b4f5fbdbe77f5afc9b27121c0ad5f7cc0120a072c7280a72f7b8b043f4e42ae841b",
    "signer": "0x7eBAab495a64FAea1f04dc59ff804bf939da7B12",
    "userId": "709077025"
  }
}