{
  "manageEntity": {
    "action": "Repost",
    "entityId": "600704",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x889de01a2ad8773dc26e255bf5cb8ba6070227503fdc0e255d1ee74edd0ffbaa",
    "signature": "0xe0111848ca572057b23863d21d2e5228e306ad31c71487b70e2fb8f51ed6a8fc7796399d9e3257653395c161209e30276aac513384d49b2c9982d841594b41631b",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}