{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621723",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x090e21eb6d433cae8b1e941598c301f13739414cd32aab6605854f6af503386f",
    "signature": "0x89bccb9411e06329f8b9fb925c8cd0842f12a4e2f5a478bb00518e500f5d90e947338af234dff9132483de37313eb32ca6ecc56317ae01f81a3a6440b286145a1b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}