{
  "manageEntity": {
    "action": "Repost",
    "entityId": "544137",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x98b48fcdfd56e1d9927639d802ad565d7ce0035083b73120f9d3da938f9f0847",
    "signature": "0x83b1c988064cea81d4ed9951ca2214cb425a6e5e8a049ce3de6581a43d9899bc0cf4e4afae9b8e58a93e6d13bdfaa288b43757cf44e10f3a37478788a6e50a031b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}