{
  "manageEntity": {
    "action": "Repost",
    "entityId": "403995661",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2f9bb0dad36132540b23471dfe2a3da58ca5e868bfb747c4752ac434d8868aeb",
    "signature": "0x84022cba2cc2a97917b5bb97d351ce03a8f98e60c825d2bf10ca4dd2758666ed007c52adc52bb73dd4a254fb2f67a0ce3efe918a4b3374133f71e564a3e5e7321c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}