{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1408516521",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x752a94336d242d054dc8ea8374082069c2ea921724a3f5edfd603847ee001c08",
    "signature": "0xd335ca37320ddd4bc816928ca53ec3392c94ed2618d4b5ab701e02e5640d6f21302f4e3d37d68719b708cfab4a396ba150497bda499f1cb06f11d9b3f34553ec1c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}