{
  "manageEntity": {
    "action": "Repost",
    "entityId": "507413507",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xceff0977f1cc10da7c2894b8bc4c82f859ccdc25aab8318dd72b60d967e621f3",
    "signature": "0x18a82d300f35f0db2f918be1f84a9c9b665d9c05bd8c8317f53b17dc8b741ec42ec9f75571efbbf905da1bb7c6ac36de9f88ee4a6180a728075453c15939c8361b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}