{
  "manageEntity": {
    "action": "Repost",
    "entityId": "509342841",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xddad3ee3b81523cd43c7c514dd16f8c17d5e564e16ef41c3fcbaed601e578cbb",
    "signature": "0xec48935691949abe2a9c46ac3e0b4b9e4055910d7ba3989a8f5c5515cc5d6e0871f8c843bd55b27851ecd9ca2b64cdf18723f3d96b5cae429322e357d64ac9201b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}