{
  "manageEntity": {
    "action": "Repost",
    "entityId": "754646361",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x12b72496b190bd6be3cde7d65ee34109c80afb1d9971b28b5e028efd118a9d84",
    "signature": "0xf4f6aa5e9d8b9599cbd0fdd36ef77ec22b19033cd173ee9825b318179782db591f018b521b7ac6a35f321ca74d22f13da60208b5c1d1bebcdf9986783b5d63041b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}