{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967906892",
    "entityType": "User",
    "nonce": "0x8bfb9b38b29179b01af7d0d36def1aa319578e79bb5bf01da28b7404e8401c0a",
    "signature": "0xe4c35301e2d485f9ff0dbdf4ea6dd3ee9d417a4528f447e5e06d28613d87316c7d84b0a05c4575707eed14b5660fba3265d632b7c588b107a2c102f706b82d141b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}