{
  "manageEntity": {
    "action": "Update",
    "entityId": "704914193",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x848a887d050a1a78094792b53fece3b68f3c8dd749311d46e38aba6ea74c746c",
    "signature": "0x5393d659fa9ed26fb4f34dfad1b8d82fb83a1d22aec0106b1d3ca4b084ab031061f4232122eca5037604ebc6224f48f2f9180f8bca65596994edb42095dc0b181c",
    "signer": "0x117e656B4810D0f42C44E311B57cc6D7e5B6d265",
    "userId": "704914193"
  }
}