{
  "manageEntity": {
    "action": "Repost",
    "entityId": "519653899",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9e32e759f8a6b06fca2ae81398fa5e5196391f25863434313694b1db05f6c1c5",
    "signature": "0xf9bde574a00a7cc1bec2a0a4fe4394a2517f97aa15a45fa47e5d3d07a16efb7462f572d14cf2b18a3742f3ffee86684aa33f075a746587da85f892b078f5509f1c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}