{
  "manageEntity": {
    "action": "Create",
    "entityId": "707091248",
    "entityType": "Comment",
    "metadata": "{\"cid\":\"\",\"data\":{\"entity_type\":\"Track\",\"body\":\"Simply brilliant\",\"entity_id\":571811361}}",
    "nonce": "0xd1d46b8eb327d619fff42454dae2025c1d2402143d08379cbbe833c2a6b47887",
    "signature": "0x7d449dae4a8e4446d908c5ecbb5d5001c1c42333ba413ddf07f0a4550fb431623c0acef6048e797e2d6a73d1b2981c344140b57350095e73b08e3dae41c727151c",
    "signer": "0xFb6EeAda8FF50A42986f7d1C02c8215bCEbe554E",
    "userId": "560957954"
  }
}