{
  "manageEntity": {
    "action": "Repost",
    "entityId": "391988344",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x4f29832d8950d6f064e88335ca82fbcdc3247ee73851a9c6fecbedf5404ef451",
    "signature": "0x4e6bbe83ff7254f23b4978a29ac1b5919d700378ea804731acb9a67fe6e7e51c6d15c1024624de0564f760208433273cdd11b4d4896e298552a05213aa0c3f291c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}