{
  "manageEntity": {
    "action": "Repost",
    "entityId": "219731478",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x7493b7dd1331bbe6d8c70a875f3b3d6c89ce3d981acc54f120e6a9d57d8b835c",
    "signature": "0x329cf450a9f9997ae204fac7e329a17d5880d24ff76acd91703d92564ab065e02374dcd300e8bc06dc3835ce244679e5786f50a308ba82d43e1b889fd013e3621b",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}