{
  "manageEntity": {
    "action": "Repost",
    "entityId": "503990386",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa1eabb3a6456a3be4d6e978b6deccfdac44fb723d597584d1fd81876bdfaa3f4",
    "signature": "0x2ecffed766856f06387ab5cbba7791e5cf6c052e2592866acbb653bded3d7b373bae65d9d5844cbf3e8e7a5c9475c2ba204b7e124a333b3b94f7eeee0743273d1b",
    "signer": "0x73317E9D44b6E1b7d146760b12dc5546Cd140ED2",
    "userId": "683609933"
  }
}