{
  "manageEntity": {
    "action": "Repost",
    "entityId": "670144173",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2600dfcc9bee9de444efa25f8fb47154c051adb373ca03da872988f72089007e",
    "signature": "0x8b11f2566d4f1b423aef2d454cb62c3fe8e28d8152be8b9664496f59ea883632461e363942edec18ea2c435e6e28655a4682d77e476dfa2e0b9778061510e12b1b",
    "signer": "0x28945B345Dc8334c21B4e932dA506ca6Fac7e18a",
    "userId": "290283513"
  }
}