{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "967323686",
    "entityType": "User",
    "nonce": "0x49fda170764247acbcb9b3cd93537ccadb172f048792f129f5c0b4d7284c4ed2",
    "signature": "0x13ea772e5fbc08c70f1ed9a639e3abe03abf388aab3cb5e88f3ae07f6da2a20b19020adfea8c98bb7fa7d674725ab950d4ad38255dbc5bb01259e37d88cc6f5c1b",
    "signer": "0x6AAB6EaEa3f7F15750b649C269b0391dcB19dEeb",
    "userId": "92019297"
  }
}