{
  "manageEntity": {
    "action": "Repost",
    "entityId": "457575682",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x0424c438d1097e03e5f25a1b898ab596fa045fc3aa64e43542268d5d11701544",
    "signature": "0x489beb967a6dba85aed0447ecb6500e28055020856f9141b2c2c6383c585688201dd2bb2072ade269c786a0da8532900495000023e4b8ed623b5ec747c8a63ec1c",
    "signer": "0x19EDB4c1a8740c323f6e57B80F3422C01875289e",
    "userId": "390804"
  }
}