{
  "manageEntity": {
    "action": "Repost",
    "entityId": "405158469",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7504912a18a074c865de85c51a1975b37035b797fc31b70ae34f3986badd40d4",
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    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
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}