{
  "manageEntity": {
    "action": "Repost",
    "entityId": "528397894",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x78c8f69033fcfd16ee0cb2fb27977b8343b82267253aece483c8f98a47c47316",
    "signature": "0x004de554cb22400a4d7bc9078e4f11b92277bd8d832fd734be9b362b821efa3455d0694e68e2c2bb5a647370deb7615d3a1e6111f4b69fd51e53cee0dc068c071c",
    "signer": "0x45C74e4f36E4e5064C5321eeED3748fD52B04eA8",
    "userId": "133970929"
  }
}