{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1573294273",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x32e6440bf2b7d819158e71f9322f87dd4c53af9e5428c5f7a87e3eb4ac534012",
    "signature": "0x72c3a5b7bfd77b57371413549d87070d5f57a99c90090abee5bd07214840db701bdf092478ae245cf63caac2797c5777b40b4bb609811c718272d0dbbc7ab1d21c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}