{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509779562",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xcaa015e7f150805d59c0367596de706313d0e92bfcc8cf00e62ab99509bba2be",
    "signature": "0xb63d884a1e86fa0ecbe8d4a1316328eab96ec602fa15a62fa1b042d305d880e719813231985d418c572604123bf459ce54e91f541d5901904225d3c4a709f74f1b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}