{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0x17609d28de2f7f5b5fbcbda265bbdbd948ae355416eccaddcba2e408b438937e",
    "signature": "0xae4e78a629875ce231d93772874ba90dee9c708849053d5cafa047a74da3ef2971c869d7d8dd7cb8e6dc3016bd10d2a6276b1f1c76b752d047a9f6190abbf53d1c",
    "signer": "0xaF260D56498a2d61b204aBc5CAdCbEc98465d11b",
    "userId": "219894195"
  }
}