{
  "manageEntity": {
    "action": "Repost",
    "entityId": "761961740",
    "entityType": "Track",
    "nonce": "1789662165260357885",
    "signature": "0x5b4285010a8e0a82468cace2071483dea1f7a28931c4c04ededcc94b9920051d3042dae5d71b3ef8ca37dbadd82e36ef1d6379f4acf6a70621c4b9c1f84744971b",
    "signer": "0x512F9723ECbDB6Dc537A671b3D2fb35CC68017a4",
    "userId": "105562689"
  }
}