{
  "manageEntity": {
    "action": "Repost",
    "entityId": "590519",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x41f8566423fe711a905103e63eb1fa2801d5a2db0b830ae6a290e02eefe7ce46",
    "signature": "0xcc386cbdfdd387185d0ed396aef040beea71ef17b7923b980878a146683c427b5e3a99e855dfae6883a5100d512d64e4fab14a39c48528d7f72b4c9d255ee11a1c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}