{
  "manageEntity": {
    "action": "Repost",
    "entityId": "740428978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xf37c990f4e6a2cb71e460505589e99a24f9feb3feab290251c8e9ada8dbd5473",
    "signature": "0xd9334163bc6c6fbed7dc4f0049ed443f8da8dff04bfbdb3125ec38f7b69cb576763a451a0ffaf1c016d46ebbef34dcff3d32f79adcd525303f0ff88efcba819d1b",
    "signer": "0xb556B474676E208be10BDc6F1AAA07ff74f317cA",
    "userId": "678950548"
  }
}