{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621737",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x952b4d1b4aa3730a3f16e081f138b1943e4577b32c678b7a3543e7655f5bd771",
    "signature": "0xf0741a32fe49029233a0d7709189ba348fd19381c9661566eba2aeabcb3a10ec7ce5557cf2b4fe93729c3895f969d689c0bc68b6c45f8aa314d1700b2553d6d31b",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}