{
  "manageEntity": {
    "action": "Repost",
    "entityId": "557671",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xc41b232ec5660366e0ad331989c3d27d4f50d3ce67c26c7e69cb209d6fcdca3b",
    "signature": "0x05dc86a6830ea40fb527eb39caf140920b1512061c8be8e03fcf1d632711258c2618dcfcd28d0132d7d29560d98a88c4d7360394bc13402d323df85c0d3f2b711b",
    "signer": "0x0f438E987Dc83db8901Ba8fE309b6A8B6a1ff762",
    "userId": "721617073"
  }
}