{
  "manageEntity": {
    "action": "Repost",
    "entityId": "668897505",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc1729acda9acfa565e424b73dad6f4e552943a573fabf35728c8df9ce6954ff",
    "signature": "0x786f9f18b674900b0362ee9bfe9e6acbb9b804af683c51b1dde4ddeb9dd900041f7897c9f2ac066591a22ff6bc9aa98f65276f5de7269f7f6bc45507ab4b9eee1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}