{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1200880330",
    "entityType": "Track",
    "nonce": "1789995530243767138",
    "signature": "0x23ca4de369787be479ccfb3a3831cf1ac76f307b7e7d54ecc96c656ca7c6a39762817caf8e8a9ca7a54495b56ffb55fb454313ef936da95820e61961de8dc5651b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}