{
  "manageEntity": {
    "action": "Repost",
    "entityId": "539807",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc878f17538b422de60612599f6213a00dd4b1243d7f82171dec5caacde8de8e",
    "signature": "0xacbad55e1c136644cc208e85881f8844604ec55bed6e3ccf1d5536272d9ea1ab0803ff26ed8b95c6e3d58bae2c7eb7ee2c58ab593d63d180dcc107759d6c71ea1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}