{
  "manageEntity": {
    "action": "Repost",
    "entityId": "854789",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3d37ba72fa75c2b7309ca41c062a2477fab94afbb32d6046879f3def2c4b5c9d",
    "signature": "0xa5246876c92a45f39fb1c2ec48b5b575cf46fa7baa1586e2ada654d9a2f1d6491cfdc04e87e6433e17394df4fce2ccc57bdf5f589cdef9e47d8b3303ca9ff7781c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}