{
  "manageEntity": {
    "action": "Repost",
    "entityId": "543913",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc1da49a20b9ec18975d14edefa765e414469dad5899a6a2a43e3f3fce3554d18",
    "signature": "0x09a1e02d21a57b65051e23a89dcbdd729ed7d5f88733b8b511bd53eec1f4131737b881712be9281371b24b29054d510e336f4baac09d6e9af108d8651f0b85201c",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}