{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1898887860",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x16b0f6d3591593814c2468ad5c35da8904ff63248f751f6723221154d82c2de5",
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    "signer": "0x15B9643abE09bd37C52a5BD1dCF938B05b06cBFB",
    "userId": "370091516"
  }
}