{
  "manageEntity": {
    "action": "Repost",
    "entityId": "990464541",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd3438bfd1312e77fd0afa84f8aaa9c36413da75e2e156f4308b45bc0c79724da",
    "signature": "0xc53b2a5d63320547531b0c6c45d620e535c528c1ccfc964e713a1a138d63af523d55de16c3277e864a65590e011528ab6d2524a917c6008201772916444fdf291c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}