{
  "manageEntity": {
    "action": "Repost",
    "entityId": "688969",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x973e85e3db5117f816be754d38b7f62fe4eb6e455affa6068924bc1e9d5314e1",
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    "signer": "0x59765b22C96E88dA578af23E8611d6ca2dcCd7C9",
    "userId": "377610060"
  }
}