{
  "manageEntity": {
    "action": "Repost",
    "entityId": "688351979",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe561bed9cff47ca234f7dc7973d2f4d71243945b55bd94a8102b4329c8bbe520",
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    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}