{
  "manageEntity": {
    "action": "Repost",
    "entityId": "447161319",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1523515de5bfe329e895637d4faa322316677a23218c097a9e2ec02aedcc94dc",
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    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}