{
  "manageEntity": {
    "action": "Repost",
    "entityId": "1423891338",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x3dbfea19afc36c6ed52765b83fb96de2a0770e231974f9ddbe17a06910f84bb1",
    "signature": "0xa7d362a0fecad6fd96334c2804d0b3361d6b536a1697226ce6d2026c29543b4f29f942cd6e43f6ceff025aefcf2aed2f83bf9c801343443575e8e445662f87891b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}