{
  "manageEntity": {
    "action": "Repost",
    "entityId": "388950",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x01cd87b84a6f04e82ea2ebac53780f7b9f4ca28527734a32fd75d9d286ca4cc2",
    "signature": "0x3053d05a93583b18d3d15c40fef64572b3a69a1596dbc95026fa3624ab8d3d6973f1ca82ea45c941615629e161e3a7d36611715a8fe4c07eab891ed123bed01f1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}