{
  "manageEntity": {
    "action": "Repost",
    "entityId": "648997639",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x75b66336009475ada4d303530ee6a7b9b05f7cabbb431ad847f6ef2067ebe3a8",
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    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
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}