{
  "manageEntity": {
    "action": "Repost",
    "entityId": "605099821",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xa43d6f3eae6b3876c64e466b809241a9c72d675f169ce54154d62cb054531565",
    "signature": "0x11c46ab129ed7aa201a7b432f4ffc54934f23c7f1c8f4ca3619c49f62f55228073874d6deb668442ea4a71ab265b7886018266e8fc762938403d65d5d9427da51c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}