{
  "manageEntity": {
    "action": "Repost",
    "entityId": "475059576",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x23d28fe9554201556866ba65b6927e57f377235283f613ce363f0f14235d1637",
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    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}