{
  "manageEntity": {
    "action": "Update",
    "entityId": "113466254",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x56abb666454f1b253404af60240f3a61be7d34321ec4f39eb9aacde81e25df23",
    "signature": "0x4475db309ca752a139cf5999d4839fde9392f06ab5f5728c598af82d80ffc9fe6cae848323355b65ae971f70e7831f59f519ebcb4c34e745557993bb2cc7bdf11b",
    "signer": "0x5F43d7C37e97c62BD6cCfFBC18108aaDeaeAAc83",
    "userId": "113466254"
  }
}