{
  "manageEntity": {
    "action": "Repost",
    "entityId": "844591900",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8704be61da72e7ff0442c39c8a4a7fd7bbd21de251113c240a19c9850744f5cf",
    "signature": "0xd3844aca3f5b9a2369db7c7609773c4957619eb1cb6487e2aa08c41480368231149a093e9d2970d2954d9a1712417777ebd2eaaf1cfd961ca4f58416c8d7fa201c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}