{
  "manageEntity": {
    "action": "Repost",
    "entityId": "728130",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x255d0f5fdc4c47e5e7e9c467ae8bf6d03b29e60488fbd7deb089e1ab5ce14669",
    "signature": "0x66dfc1a4595c19bd255d698bc393a13988bfc48f87b1b3d11303dd6506b2e175425b73c8a15d4c7683ce0289fea537ca8e6e020b7d4dfee2ba3064eb4afb55201c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}