{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543507",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x33eb1590677896102edb75b8d3fc304a64af6a249cde1493cef85c0bc7d71518",
    "signature": "0xe17407c3b1edc3eaca6f17e8d9e15f24f2c500f5dad06cce91f6c88fb04f25b666b4ed381b8609f5e349d0b6341bcf7fd0c3d31b10b664bef1d446bd8acb2ae21c",
    "signer": "0xfB6436C438F897b7eA739876B4Cfcca832868820",
    "userId": "512354652"
  }
}