{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1450727891",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xfc7744ce7b0abe1e200dada68cd2d12114edf3851da6f16e07f529ff37ab682e",
    "signature": "0xb4d7721a5f44fdb5089d1544f33df995578ea76b419606c50216aebc51b25b354f2b2f2934eb05f6f1b459a31239a55c6f4257bf1f1a9626df8f006aa43dc74c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}