{
  "manageEntity": {
    "action": "Repost",
    "entityId": "398998",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xecb45972358d87805d7aa3a1bc3a3dd2b29cfb38c217e8a78a0a654610ef31c4",
    "signature": "0xac511b56fc6c2af206c9e665244fc906525355772749f29e8afc663fdcc1bf1f7a36c12093124f8bcf959d7e15afa630e081df1ad29a03c156e6168f62f2fcce1c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}