{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "595177724",
    "entityType": "User",
    "nonce": "0xb1e1a02acf84472d01450fc4f73869875f40ecfdee0362e83f9c1428c0aa1aa8",
    "signature": "0x3f2f4cd4db3ef919f3d22041c2b8912647a4a75ba56857d435853cbf50f083175b1f72131b6da1888e765aae265e8c63d79bf5a833b98055c5eed283b5075f521c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}