{
  "manageEntity": {
    "action": "Repost",
    "entityId": "640747",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x842b15f0162b6496ca894170330124a1e2ef8ddd0d809b3ceb19b142d3d6efd9",
    "signature": "0x9ec197216c7a5c9a4986a426d25ac213cc5408212317e90b661857bc52645e5150917499c412333f08932b72a14e41c2245dda362008084a84d290b6538153941c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}