{
  "manageEntity": {
    "action": "Update",
    "entityId": "508307433",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x61db90ea50b3bb36aed575e1896dbf87a99b4b6caa649cf77ec5be7bfd17799a",
    "signature": "0xb838fef3979b87f558259c6ac237bb06349b16f5c0d5d1b7ea45b8714ea43c141c3ba083379a0b94526161080fb71d8a3050e7c6dc8a4b0ac272117d750ea01a1c",
    "signer": "0x02aB27E032095c55Cc0aB50950Fc3460d0Ee5B1E",
    "userId": "508307433"
  }
}