{
  "manageEntity": {
    "action": "Repost",
    "entityId": "621251",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xbb9069e015919d7a6ac39087d8bdbf68bf98def3ba8e3a659728f2770b56a0d1",
    "signature": "0x5e6edf8cc0892dd027e46d6a7de9ddc9baa6fca7df59bd0a7d2c12bf8b409f14015beb508e95609e8108c44d28adf09d4dbe0b563123987ecc90e1a288fb359d1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}