{
  "manageEntity": {
    "action": "Repost",
    "entityId": "477774765",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb4abc8b5490f32b3e654a5e72ce0ffcfb64a9e50995f0d6dabf050a9c1b1aab5",
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    "signer": "0xE6a2533061175ED4c7f073A7BE3dc4189A4DE47E",
    "userId": "427249190"
  }
}