{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1391340610",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb40c2919c9ef1024881e20a5b67e8d40649b19694fc0c0df3ac803d3c7667edc",
    "signature": "0x19f1a5cf9aba51289026acf4cec71291aaedfcbbc9ffd48003c719dd02bce8ba5b02fc16c002fc74c9b4e6cd9b36555a28a03dd0d400ce028754155012d31a4f1b",
    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
  }
}