{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543473",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x6ac9e245b1d379276f98a84d3cb9c9cf9967879bf3d1a11167e1d0081d583dc3",
    "signature": "0xe23a7ee9d04ef60a34c60d58d6639a406c8061cdb5438cb7fc7823381980a92c2d0817aec87c07c27abe3ff4a94afff3d42fca3838fb7a6e08a56994cff3ae971b",
    "signer": "0x8d9D00A94c3B1C9992e3CA4386AbBC6345B2E876",
    "userId": "396658415"
  }
}