{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1415214523",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc9f14318ba81200c91f47b01bca0cacbc06b52375594a794cf6246cf9e2597f6",
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    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}