{
  "manageEntity": {
    "action": "Update",
    "entityId": "970614080",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x4d55fae36bab9d8ce73e6f47518b594b3ab4201662641b5e2e96a081117a90e9",
    "signature": "0x6011a3ab36962cef7706efd61c65d2a3ff4b65caabb36aa3d85c8439bdc3a7690122d4a0e25abe117c47ec43ca2e7bbdba20f18f9787e526a1f30775546c8e0c1b",
    "signer": "0xAC14dDb0278C6710e9781140f79c82FaB40aE628",
    "userId": "970614080"
  }
}