{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "832604939",
    "entityType": "User",
    "nonce": "0x20bd5a4939f92553de52823bcdee7abbb84f1e452474f9e5a150feafde1ad926",
    "signature": "0x42eb064beb96be16b56e7b27e8f2217fa36e3a9905dc2860fe59cd2631b392f4393cf2e0b4d92a21516ea78f9fbe461648dd6d87f9f0390166a0328ff13500d21c",
    "signer": "0x91c1cB8b04749B3830411c3517704c393ecB16e3",
    "userId": "289388272"
  }
}