{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xd1cde072f5079e890ba5e080513293a1b8dc92acb57e939dcd9e10b615728b67",
    "signature": "0xb4f031706cb297e9a8a407504182e13cc0b581492cf3ba84b954f2150101738c60339369b482d23dc3c0840b66a3ade0c52e421cca36f0229a14a95cce22de861c",
    "signer": "0xefF7C914e8cb6F6d98EB6DD97a36437CcD58E5c5",
    "userId": "797035469"
  }
}