{
  "manageEntity": {
    "action": "Repost",
    "entityId": "661473454",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf504e17f70c0a369d0e00d819544a7e1f6ca860bc0a2ed52592ca15e5c652d70",
    "signature": "0xacc77e45c8e001aed1313a18a68d77e61da0adde1eed27dbdd3c1cda3d7788504736aaead3201d5e88e9caf5f9b30e4f2aa435a5afcc3b993ac3debdf6264f3d1c",
    "signer": "0x556D15a5c7676f637104Fb4F811c98D46bad6AAF",
    "userId": "98088512"
  }
}