{
  "manageEntity": {
    "action": "Repost",
    "entityId": "541212",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x30d65ba3df3f6ff08c69cb1dac43fb8e1bf478afd902f6aae229badab5627a80",
    "signature": "0xa13aedba4fa908b826ff33b1a9eb5ab2fe776c78ccb77e2481cf242df17c27131b649581bf598aa5d18a08aa514ab6982d1ec189497f3307542756c00fe435141c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}