{
  "manageEntity": {
    "action": "Update",
    "entityId": "35972053",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x78bfb667c6d1dfd773be848fe3b4817475fb223fa5470cd4701f491350a48fe0",
    "signature": "0x5e557da40a8a8352eb31c97b9b720522ccb6a38f00bb82f830b7ea684ecf72d40237039ee00abdaef095d45b8c55efb1a7597666e916f27f19636130caa2559e1c",
    "signer": "0x65d8ef61B1DD2f9C26123B8fA2351F9BF84611bc",
    "userId": "35972053"
  }
}