{
  "manageEntity": {
    "action": "Repost",
    "entityId": "454384278",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x815f5052ad2ba6c388b93300399c5ed90c641b13b4854f4b49e4f9d596533fdc",
    "signature": "0x2945853bb60e86ba529506ef64d64fe3a1800d71a1ce5a1297ec5719dba27fe87dc716999a572ef6d4d5f2d2650ef2413dfa0fc3f84dfaccdf8839825738c06d1c",
    "signer": "0x639B9598C075dEDFE2d8FfB1B5B6ca259D3C425E",
    "userId": "667809204"
  }
}