{
  "manageEntity": {
    "action": "Repost",
    "entityId": "767840471",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x730ba31eaa2513512bf0aaa48d6dd377c304f7dbfec6bcd20c963b0f98dfff12",
    "signature": "0x4435c611d5f064a0ec1b09f6f8a2b4bb3b25aa9db389fc872652c8b36498eee47121dc97570f70f04fc018e3563cfee010d0a903326166dc34671b2f6463cf521c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}