{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754125822",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7009cb5ded453d697067eec30928941f5cff5ff0abe3eeff4f307194df2ac4f3",
    "signature": "0xe8bbdcf448f8cea8c543d3ae540ef9d40cb27fcdcd6b53ad1c921c8280d5ffc254130ca4e7fa89677225f0d84b75a57ea0b55eb15a19ef3b6b4f72ad03aa00ed1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}