{
  "manageEntity": {
    "action": "Create",
    "entityId": "607578279",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"@matbcapo That's right! It's a change in flavor that transcends time.\",\"entity_id\":541149198,\"mentions\":[288167767],\"parent_id\":223596571,\"parent_comment_id\":223596571}}",
    "nonce": "0x0d6415dbb3762616b6dcc80517066e83f35c5b81e131e2595634797a737bd450",
    "signature": "0x71a0cad312b7b17c2dc95e7324d52a0dea273b075f61d4bc550b9a240a3e66783b34aba4fd829f0a3218b3b885d2979032a2337548f1c096ff1cfdd79417483d1b",
    "signer": "0x5D012C880480A2E1ab4345f6F374CFf73e040331",
    "userId": "10449019"
  }
}