{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0c96af0f973252e376c41a4ad26d12236955804670c291f7c7e6c3aaf7fcb2dc",
    "signature": "0xbeedffc75533c1167ced3fc36c3062ae2fb53cd47b01f47576583d3d89f0198617b56a901b140c70bb6bba24c31e5a29b7d677c3e6b9206138d5b74135b8c5281c",
    "signer": "0xdbb5FeAE65617ed3C8616A66B1152898647cb83F",
    "userId": "936213876"
  }
}