{
  "manageEntity": {
    "action": "Repost",
    "entityId": "578871853",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x2e19aebecd30a7739bc75cf21305144da2c4ce4d4fcb721e2e1f6dafe337e282",
    "signature": "0xaaeca957928a4e41856a46eae15f4cbf93dc8fa6fe7c2a22eb3ae5ed900df0a81194a3de76880cd607648338c206109914adb99813afd806e27f49a99b6f32921b",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}