{
  "manageEntity": {
    "action": "Repost",
    "entityId": "664726",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6470e8b95114c637a2ed61479203bdb7576074f9360ee7e7072e56c8e032d013",
    "signature": "0xcfda0f8474a9797e5cd38b6104e7bee6ddd5b5c5894a94ae13b2bfa7d359d65c7e2db634a60b11f3ca92cb0036984a279639d97875c18702c16ac8d81fb42f951b",
    "signer": "0xDC5D8e6d43489811098d4d3D31fB7D6585c9Bb31",
    "userId": "735980234"
  }
}