{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599907614",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x36f69755d65ab6c2f64261ed67d3ff3cf71c8f1435d186f9c540ac69e81f5c0a",
    "signature": "0x10111f1a15d4db8cec056030ecba4a24031ee0be02655249f6f525dccf94c57806fb7527243e71c21e88c55de5b6629095b8e140f0d24f7cf66375ecc6d99cda1b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}