{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388877640",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xee1ef44e75dd5fc80b03cf978e0931a57e9ab6e39eb96cf26a5d38bf1871f7da",
    "signature": "0x9a6362b23709ae8cdccc3ed423ec51f7278c61498b57ec72b33d5ab04fe61467646b23f189abb0b298a676e98246a374213f5e895dc5cef65c93bcca1588e5731b",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}