{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "992260808",
    "entityType": "User",
    "nonce": "0xa9517c0adb22c2b1951baa17ede1104a0595b6e75a8079b45dd9f1ec9c6c4b0a",
    "signature": "0xb464b3d240b7fbfa6eb8f5c6bb4fc2c1602683f742c4c42fc2581583aeffdcad5a041b66b84e9ca43841bc516ef81fbadf86609250097fcea93d3ba67892f9b51c",
    "signer": "0xE96048b469695EBC78B661c1b687F7D9F5C22865",
    "userId": "1054183"
  }
}