{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x2e88a9d1456fd389e3d245ab640e6514b2b3f6bcfc2e4e56c195d00d6eb6d299",
    "signature": "0x3be0980d0959371292d44cf1db483fbbe568824b3e1754721ea4831764b101b32b7ad0bcfaa970618adb0e0df4b82ea479bbb672b79e8105956ff3d561a63baf1b",
    "signer": "0xCD23b5ae760853367a8773a7E36005e3E44cbcbC",
    "userId": "208462349"
  }
}