{
  "manageEntity": {
    "action": "Update",
    "entityId": "614784509",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x34417a04f383da4c94c68fb5c96cf7ec387bb6e748d2842ae42d7d8c68abeea6",
    "signature": "0x72663117f34c8899e3c9ca8b4648c394ca33a033573368744261f6e62f2454770aeae45f40021bc4ea4aaa4254473ede18593af7aec4324c0bade3302d5769d71b",
    "signer": "0xDa13a6A1dA92472EAa96BBE0391B9c49F8639b27",
    "userId": "614784509"
  }
}