{
  "manageEntity": {
    "action": "Update",
    "entityId": "102152128",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x7b724ac81c5207da25335714ca16418aded49a6d600bfa94ee8f809002aedf8d",
    "signature": "0x06dba37d48042eccbbce10d9f3bf1414750b69a8afed173472ccd1a87f4c5cf02dbac97fa3a2dadd6adaf5472b0161bd29766ef4dd90c4b88f2d45b811dd1c8d1c",
    "signer": "0x925FD98278b43515bb81b9840D50f4D349CC6266",
    "userId": "102152128"
  }
}