{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1447963678",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc3219820c010c393e1dacfa1a8a9a35827e3cd8a5fa69dd87aa331b86a31ff9d",
    "signature": "0x251b9df2f46d97250d098f40f31d382dd498bfb3386984ac05b0afc4408848ab3dd6441ad1e24f34e4f1e2fb9249f2644272fba7df34bd46e2e0c4d3fac1e9a61c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}