{
  "manageEntity": {
    "action": "Repost",
    "entityId": "258483",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x00f329ef57b2921e8b2d0c450fbb65c556f33047d68ed675b843a1a936a49800",
    "signature": "0x01355da8884d1f500e5d223866ab37b2fb7dcfdede2cd49e1b6702d372ed28bd4cf702423a9ef7337c898abea83296fbe166cdd98e402ebc015d43ec4ecd2be21c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}