{
  "manageEntity": {
    "action": "Repost",
    "entityId": "646013459",
    "entityType": "Track",
    "nonce": "1789924439313309847",
    "signature": "0x47e58828284fcb2ad4209902e75d413f560f35eb4471c9f4d215a9ae138fd7fd67133634198363a504cbdab4e01b4d4d84305376c6879c5e1a1dbfa1ccc743031b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}