{
  "manageEntity": {
    "action": "Repost",
    "entityId": "603039",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2575a33f08ed6818e1399e2e4605b0ef6d83085ffd24116efff73efc664bc1b0",
    "signature": "0xee4d3a7036bdca7ce1e8a2ca6ee112ec5e10dca8c1fd09fd48a4f0abfa8c6ec558b189d1d09acfee441f96d5898ae39402e551ff096c214bb561c162c7a63bf91c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}