{
  "manageEntity": {
    "action": "Repost",
    "entityId": "399599959",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4b878615f092b770d018b3060f61a538cd621bd59ad4bdfdcc35c4003325377c",
    "signature": "0x6b454ccc62454c80d30ef308f846e8e6136fa49fae743815825996a664c786d54fa03709d751c6c2f9e1532d71474920184fe363466ba628116aef4cef6503a71b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}