{
  "manageEntity": {
    "action": "Repost",
    "entityId": "423978",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe600833b08bb81c9bdd8f9ca758c0d632a2dfb26fb07c0c6ec1dc0206e8e542e",
    "signature": "0xa5fbb744029c4199bbf3ebe9671a8623496febb5846aca113923bdf8c60c110574174fa03114c132e4225e2630c514c64e9fc70601be0cbb64a89a537843a7451c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}