{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578871853",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc9f21c04803a26704b331df62f1e0976e343fcd26757ae5b7b043f60725aa92b",
    "signature": "0xbf0716d45a77781c04d47a1112d1e5503979e881efce2348893185a062e7fe785d6f5df92eb0486b46293afed7b60920bb6a18206886a9f90f6b6db5415250911c",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}