{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388948",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9a11631e8917647236052f0457bdc62230dd5c2246384da95d1ac67b4362a9d5",
    "signature": "0xf19f0645aa60e8d6c9a07c44fcb29752543191e0a65b9a204ff0ec54abfb86463d7a2f571cfec494bba4bc20a2c583af1cb1dd8eb2ba3efd2a3a5ac1930259e81b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}