{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbe97694a5dfe6d4001b11c50bc0f8103f642008c8f967d516420cc1d71d676f5",
    "signature": "0x4c209790db02d58233f93595177a492b09b0567ed081c575f31a25aac5c4533131ec2677949b31a305c5d969dcac3d356d3897b7deaa76266ce0ed97e260a6501b",
    "signer": "0xa28e001D31E2ccC4f8FE32aa84089fbeD3D28eBc",
    "userId": "264735382"
  }
}