{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xaa09b18946e876068e8f1070e320b054db6c0d044a43e2836eeabc27d48b31ab",
    "signature": "0x362b2f3e3327043cfd177b2888337c4796e21210f76259c36f4e4a90c3176f3f6bf252d0c7acc9f69faf9cf20812e7190c32017c2cafdeb7af43f7521761e7671b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}