{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xd5b4cd7a0bc12d47e331a9dfc79798eae672e3a8bca0a81e9cc818f793c76962",
    "signature": "0xaa0eccfb0297a71e3db6f711fa20a9d19ecd5b5e3f9ca58ae4594a931c7fbf2e1dde1adbd23605955ced8a7588fc353b561dc5fb283f25d2ade3a28fc8dccc751b",
    "signer": "0x91c65041da5a7afC1376dEeA5E1F8c9Bb5B0c0F2",
    "userId": "92589390"
  }
}