{
  "manageEntity": {
    "action": "Repost",
    "entityId": "615584642",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x26ffcca69f7cbe5199f414143b015cb323ca5e7e8d2270ff1ec2062b1ffe63c7",
    "signature": "0x703ead78c741d8d47a6d3b4ea20ff55e618b081973d00b11725c09cbf492c24f1419256ab54ce6af2fb25a1258465c385899c7f7ad639770fbfd79418a04e9cd1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}