{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1728123737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x8e90d9672d2dc22cccad902a28b969492d20954414d125ebb3330b885e354a64",
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    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
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}