{
  "manageEntity": {
    "action": "Repost",
    "entityId": "753848437",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdddef25f5567d5b071a163e4cc2ce17e2aac76562f497a0d496c9ee176d9562b",
    "signature": "0x11c47f60c49d5230f3c5f181cabcf2de8aa1c8a7dcddaec52a02cf02d98590563c15058b1238192a7a0d54706b231d93ec64fb9668178d11f1aa401504fbcc011c",
    "signer": "0xd3CA6C81c4aff7BA2B2aA87ccC9607e439f8B0b2",
    "userId": "387501451"
  }
}