{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1449440584",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfb837d9bd28c608b90d99a445c75154a6c7f6d680ba01439e8e2917d853e1130",
    "signature": "0x55935202396aebee9073377e93f8ce453e1b4053980cf57d0ed4f8e37c42184718d0a5b6e98311fdabfe8b2e93250479840f78bb7bc86fa0cc96b759c53e7af21c",
    "signer": "0xC6f6979d7215C4611Cd7aDb30a42B2812294262c",
    "userId": "55290787"
  }
}