{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "567928065",
    "entityType": "User",
    "nonce": "0xd0119742d6b8f2d1567e098f1c04645e99cb780271df7347e2d9f0d6a8774193",
    "signature": "0x383c68a82ad04ff32d19c35d975554f7cd645e1ee2c64557987f648eb13ef26d2bea7fdb0fe79b391403f82c539d1844c3d57e2a9f39f35f8f6f7a08e88f68261c",
    "signer": "0xA07bE008930F709298D5Af61a1862CE5190F662B",
    "userId": "593681853"
  }
}