{
  "manageEntity": {
    "action": "Repost",
    "entityId": "545423",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3a38b0a907831710173c0a1ef01d6125418a4844c3b2e1319ffd89987a0e2f0e",
    "signature": "0xd4fc6d5678f726a202abab6c866614966a1947eec7842ea99c3a9979084c5d0b7c0bf82bfd328d8c82cd281f8682f4f2475b45e9e10540dc0109e22e0030cab31b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}