{
  "manageEntity": {
    "action": "Repost",
    "entityId": "521279305",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x65a60fd3e059d7aca760e65277ede9248a864e2adce216e4485303af5fa81a44",
    "signature": "0xccabafeeef6af9ab73a51559afeca9757277fb362740ffd6e00999be65ee10a46ba8d56a48743007ac277176df99e594fa8b9dba09ad078c24d6afcda7cc86531b",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}