{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1421976024",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xff4521dc772f7ce44df974652bd7c375757bb7a8252d758b62a9ccb586f2f3a4",
    "signature": "0xeb62848117c8b8883c144ff2673634a4e8950d3ae38f159be4f5838f32762d436c7b019db835e690471d7579f75f0f097034c2221fc193317e376917fcbcf8a51b",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}