{
  "manageEntity": {
    "action": "Repost",
    "entityId": "463527228",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x31f41c3a866ed336f20b2dc313ba4598d80eddb09054238e528b90d34445fc59",
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    "signer": "0x4dafC3e774A1033C5604372f17ccBDcE545f478D",
    "userId": "889450527"
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}