{
  "manageEntity": {
    "action": "React",
    "entityId": "1442667097",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"entity_id\":685485478}}",
    "nonce": "0x6416de7403b4d61aa35db81a91857ea2380163c8cb45437447a33dc40c206c66",
    "signature": "0xd39fbed72ca590e74843051682a6c45dd8b760923b89c454f3f34c63ee5090d1565118b33883080e199a4d2d75301e668b3e17018d3629a0e6c7d93776fe45cd1b",
    "signer": "0x821B409eB3BEc263C0F1cC7f132037c4a43E0bcc",
    "userId": "203159"
  }
}