{
  "manageEntity": {
    "action": "Repost",
    "entityId": "821510674",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x97ffa6a47c1a3f8beac0d55c64f64ad550aaeccb48aef15f176a9093a90e0d24",
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    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}