{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "228112980",
    "entityType": "User",
    "nonce": "0xe32cc9562aa3ed3cd1d5d8b962c2e5f0e1273b1c1650ad51ca87fc6ec7cfd6da",
    "signature": "0x86184256a5c5e6af295ce20945801afa78d1abfa44520493bc8d76027efdfb9e227997b95670b3daf530a38f6cadaeefab707a3c91e8d55da159e2e2cf56448b1b",
    "signer": "0xcd864e8A0A043bf1B2DA4106C35c1daF234468a5",
    "userId": "784246910"
  }
}