{
  "manageEntity": {
    "action": "Repost",
    "entityId": "570519573",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xe97eafe9f7705300a8f73fb7cafa5821fc430fb61d7478bdf2283453fe02ac40",
    "signature": "0xd667b4914a669abf8d13c400f2af7ec828b98ce50ea418529487b1457c2e0c426e589fce21c597bdd41a8c4edeca6a6b37cfdc278527ecfd07278a5f69d74f2b1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}