{
  "manageEntity": {
    "action": "Repost",
    "entityId": "857554012",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe8ce11b68ec54daf4198693f4e4ec6a8ecad3d8365e96423e24d0fd0cdf3ac25",
    "signature": "0xd27079cd123fb2e59f094dbd4fc0ebfe32d73183a94a651e7f06fe1c40d758f93330c8ff75b9de96cefea1e056fba85d2b0d2e387cddb3af9b538304764e4dbf1b",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}