{
  "manageEntity": {
    "action": "Repost",
    "entityId": "553657",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x273b299897b6257ec4c1471664fa184ca8ca614eb7c479e81220b5d2b462eae2",
    "signature": "0x60cf5398999fcecc6dcff167fa5de3d63ba94bc28243bddac202a8bc46ed397f33bab5a6402f5d4da4478d447909b92fb0d20e9bc084c705a1e48cf7821da3471b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}