{
  "manageEntity": {
    "action": "Repost",
    "entityId": "491289137",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x84eed4c7f1e43e9c343bef0a70eb5db809a36b96ca66551311baea9fcafe2b94",
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    "signer": "0xD967b68365738013c9197659aAb46EB73a488080",
    "userId": "488430169"
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}