{
  "manageEntity": {
    "action": "Repost",
    "entityId": "573477424",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x43c58ce16860e7090a993ca61a5d1489ee7a26448beab22ee1c7637d5f3b0cbe",
    "signature": "0x266cbd2b2b82c31679944ed8d29747404471788798a64a8e82d93d65a042ecc3686e73e6d7569a7c6178662dcc324003eebef00799c6448dd006b2077f7f1c1d1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}