{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1821707839",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd68fa8eadc5ff46f7c288652c28811da1c9eab6752314c435df41fef8beef0e3",
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    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}