{
  "manageEntity": {
    "action": "Repost",
    "entityId": "876811609",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x9c121e2703a0d2d780cb3f5fcfd46263f1233231c3e48281452ff6d03ced5c43",
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    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
  }
}