{
  "manageEntity": {
    "action": "Repost",
    "entityId": "840341833",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x754bc1332659512612856055cababef09d14891e5cc66a5277515754c780828e",
    "signature": "0x27b6796c67f71b48fd6fe27de0b5969a9b5fe87718a8552cc53ee2747a084f0953aded5b7d5744f5505b058bb9f0c6384cc04245442deb56d4322dcbb3bd166b1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}