{
  "manageEntity": {
    "action": "Repost",
    "entityId": "689047458",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x851262ccace56caa2bd21c0e51334bfc860df5e25d9b8f0441f1b68ca390ccb5",
    "signature": "0xdb1116073b2102d6315e4e5302857b3923fb27ef9ee7c858815be0da3cf5597760ffc02035c83ad3e95ab59e4ac0d6af2dc7ee8c9103681bf86408878c0c56bb1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}