{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388899",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c21ee92cc1e20f8523dc327b996d1150756292933525ac70563f289bb68ce30",
    "signature": "0x56beaa25180539766a0219d6bff7e53477129ac82acedbc40a97159ce3180c602fd7a241921c528962690efc2b8d3daa74d3349bee28183f4518cac605f5dbd51b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}