{
  "manageEntity": {
    "action": "Repost",
    "entityId": "554647106",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4caf3f5ba17af0da7d8a672440753adc731063f47ee1a380cbb565d1874c7fa",
    "signature": "0x3f8d707f5b3c6c50c8d335fb75f1d434aac65f59cd1dd12342fc20d9e377ec9672228903493f2ce3e7d2749d8f09c2e84db48026de35b5a9190c144fdb41c05f1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}