{
  "manageEntity": {
    "action": "Update",
    "entityId": "842092467",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2975f7e8bc223c794d4c4c0d371d8d9088608940ec8d7e2e805beb4c8af372fb",
    "signature": "0x39d6e9e5cedbc805fb4770e5cfc959dd300368b47049266c7174c60b3f4ee9433a5fdd6e6c52583aa1bdcc06043ce0c645dcf573bc6703bd8cd80ac218afa7641b",
    "signer": "0x0e34D1E515D83E0777859bdA6E5D22168F854302",
    "userId": "842092467"
  }
}