{
  "manageEntity": {
    "action": "Update",
    "entityId": "361508277",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x12168be99476652bc9f8b6d739fdd256804d47d1775534beacae1d75babc89da",
    "signature": "0x2e8c219050fb1f9aed8f4e1b53cc40975766d06961c2133498aa7a97b909ed10493f04a39d6dfa9a253077feb4305c3b3b4445a42cbcda9bbb1a507294df954d1b",
    "signer": "0x31bD11C427B52Db08B5145212FD90Ac4d00A1F8f",
    "userId": "361508277"
  }
}