{
  "manageEntity": {
    "action": "Repost",
    "entityId": "742464",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x1e56fc1a758e50ebc1f3a2a068fa0644c296db49cf18b15abf4e178045144a38",
    "signature": "0x08644d95727a8f374f355eea7bdc7d06fb86982490b40dd5ec7d834d2aee00c65d0369137e3a7b1e7aca028434bf5b08df7985ae24416cc6eee35fdd10400a5b1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}