{
  "manageEntity": {
    "action": "Repost",
    "entityId": "489516877",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2a1992c6af01a1859291210ac4aada819e41981d5c8840c5285d80c5ccf01316",
    "signature": "0xe04e954de79fa338a9e233793dd43423a4a7a20c6651494be798f263905cb2577489459684a82a092a7f63d9013e2d297297b2a6b617c993edaa76fdbb9ed2911c",
    "signer": "0xfC070d9d02c152146e3D1B2cD4B03FD7a3CA1AB0",
    "userId": "539537193"
  }
}