{
  "manageEntity": {
    "action": "Repost",
    "entityId": "556126943",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4685a576cdf453c105437dee6afac0b67d8fb543d8241e83e4051577ea8c4663",
    "signature": "0x390e79fa2e75d27b821a6404fbcb07d2066042c508d88fc91eb20c3056033cb530958eec37f8f1da0d1b54c0a19688d14e2959df315dd06ededc1b9fd3fc0a2d1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}