{
  "manageEntity": {
    "action": "Repost",
    "entityId": "643953",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb6400ed4d8e505be60d606cc6323860a431ce2234416513f428b1883a7206c33",
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    "signer": "0xe270C91f9476B885124d6c0208211213dC10036a",
    "userId": "94825285"
  }
}