{
  "manageEntity": {
    "action": "Repost",
    "entityId": "599309",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0xac03f1050f83fbc1d15a98ab8e24feece70bf4c8c03fe2aa3ed2fba4d1e77f3e",
    "signature": "0x3c16973bdd0ebaedc64fbeba9ac58438787f3c55c9cecafe184548e61a34f6e31c2dfbc71c0eacd6a506825ae5f55e35a35527aedd27ca10263b6f50fa22ba781c",
    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}