{
  "manageEntity": {
    "action": "Update",
    "entityId": "361508277",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2ee40b2cd1b1be5d60c963e10398e892f75a6ca0f4aa25c08f3b1a239735f8bd",
    "signature": "0x06e9737b17de5c2414fa0df72f94f1c99fe928f6a2b67736ce2561517e1c2d8e5990175c49ea1907b7845a4ee30be57646c551f100862ccc6604f2396f7ba1b41b",
    "signer": "0x31bD11C427B52Db08B5145212FD90Ac4d00A1F8f",
    "userId": "361508277"
  }
}