{
  "manageEntity": {
    "action": "Repost",
    "entityId": "561440349",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x66a57c8e8ea17dbb22491b6e342c1e5fce46d3a5813f1555cfc08c6b9c7e82fa",
    "signature": "0xa4b79b7406bb06defaf95b51c4b6d80b7a76640fa6b2bf5382d95a32098e84ef3760782fe0c5b35bece24342eacc7667396973be8102db5fb59825a1df50447b1b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}