{
  "manageEntity": {
    "action": "Repost",
    "entityId": "558249234",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbffb0c6248a861f54c6691dc5f4a1e472e348d5b39c65d2ac45f3550af852bd3",
    "signature": "0x2e8c916da14894b395022d1e2eb78556f691f05626c628109ec1f9fcbbf90557461f08aaf9950dcd44f5035fa8f885c74d21285230518b3e2ba76eb1d8b5c56e1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}