{
  "manageEntity": {
    "action": "Repost",
    "entityId": "787932668",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x20bc0064ad78873daf732fe87bfbfbde870ae6144ffbec9c38f1ac141d1ff6d9",
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    "signer": "0xd3CA6C81c4aff7BA2B2aA87ccC9607e439f8B0b2",
    "userId": "387501451"
  }
}