{
  "manageEntity": {
    "action": "Repost",
    "entityId": "421346731",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa832b3b12ca509351bb5d3c97adb349ab5b8e0cb8a21c377d1a64d6544a06c56",
    "signature": "0x22b998a5a0e3de0f2783424ce9f78a38b9e95e9d7e9a4273dca37c26fdae41941bac604189d932f76dadec88a51a3ae10f9eccc65084a5e787f7d2172a6ad2c31c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}