{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xe84d2cc3d04367cf3855ddbdfe04c2eda5985bfcdf2d70d618d54edd487e899b",
    "signature": "0x3db2172c0487d37a8190e09e04a1ca0a3b34f6fad87481b6c5080389057ac55f7185faf26625145b1d42d7f11fa07b1a509bd3cef5e8398f5564445ca343f0f61b",
    "signer": "0x13aC6bA59152628EF1c3493b07D367325e696429",
    "userId": "24173565"
  }
}