{
  "manageEntity": {
    "action": "Repost",
    "entityId": "407139",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7682113b8e54955d01074858a3f38639f0f8353b30302550d60cfc7a5e1c75c4",
    "signature": "0x63945ec9e4d8ab8ff34263a98e30e4a2149c219e90e5ea8f8f7c182070e8c3a2022ff1835d5ea40388674bba72a66807b5015604016130b4ead90d7732fe58701b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}