{
  "manageEntity": {
    "action": "Repost",
    "entityId": "192456520",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x51c394f53b087fe9de535e019e95fdf2c92af4855bcca9a2a7a48e1dc0a199a8",
    "signature": "0xbc7f0ba82e84cbd46741d7a01a8b65a532d4d902854d64ff7ce94b0880ed626c12f88e23d480cb85a229b4055948fc21d527e6057d495ac42c0440b92318cb9c1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}