{
  "manageEntity": {
    "action": "Repost",
    "entityId": "303013976",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7888ea7ed21ff50fb65174ae4ce08e4d0d2e5ca8b4931363142788641ee8c041",
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    "signer": "0xca797dA7dCB793742623d55EA81fb92A9566B550",
    "userId": "363062902"
  }
}