{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50737590",
    "entityType": "User",
    "nonce": "0xbeb6b6bc214899d45003ec773b2772817fabaa1523e5273474dd08a6ee640a09",
    "signature": "0x5954c8e31de891523423ba36032b0b9c21b95c20c72143e279ab89d1d4311b2e2f0a3a6e19c900d2bb68e68f40ce80425cbad66381e2e4a15ff81cb360655d8f1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}