{
  "manageEntity": {
    "action": "Repost",
    "entityId": "513281233",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdb6d8ef04fccc0ee8f798f87ebcd9ddc3cf30bcaf422b6eb05449f702680b00e",
    "signature": "0xe2032d5fa27a2da565c6f8c89dbe8d5eadd9223d718ffa742be501d36ad4db80383f621a6485533db7ca91c644a03a3c7107d724a25b75e9fcbe08bf558e75bb1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}