{
  "manageEntity": {
    "action": "Repost",
    "entityId": "622898",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xb29757a2346b5964be14e8e0ebd10dbc85fb22825288ce375de182a93930142f",
    "signature": "0x5490d23bb9b8d66afd13017f87745cf7b5992deca02dab4e74ca8f556dfec4314f275b97d9cb2122aedd56a3460f2965ce95cba9dafa49f8c11221a1b74d3d581c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}