{
  "manageEntity": {
    "action": "Repost",
    "entityId": "831101",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xd9a103ffc0d065f45bf3ba040ee17bdfe64ca899f1930eab4882a466013df633",
    "signature": "0x99646896f9374605aff464f7021762c759ea53019fbb1e9dda90fe1d433dea6e214dcb3e16ac50dc78e3de993327c256abbd13ee3f7e3feb58969d9702d5da061b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}