{
  "manageEntity": {
    "action": "Repost",
    "entityId": "576577",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xed804339914ab29fcebe78c8b8ec8777afbe2d2e5e373d735248c5c6c7f8069b",
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    "signer": "0xD07A680d4F48bA7Cc076c23f40870AccBbad1987",
    "userId": "16411799"
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}