{
  "manageEntity": {
    "action": "Repost",
    "entityId": "518223",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xdc521241a9e8ed77028c5603e5ec37ef5aa4f1af240cdcc9fe2535041c84b535",
    "signature": "0x2c8d8c2fbea2dd4fac85695f018a03949ca582a06a329f2b203711023ab415304d40ae8c1ad014857d16d951fb15ebfaedfda72b07081a1182c4b259ea6ed7631c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}