{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754125822",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x60973ca0b6adbcd6e460ead24548cd9c32f8fcc6cebf542bf3daf5a3f5f790b5",
    "signature": "0x4638f50c5c826bac8af14f8991b89824b1a9b41f32e70020c3fba53d25fdc75459f1e3329c527a7a7aa4ab201aa5936e03f00d3985ffb03803013a9a924dcf871b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}