{
  "manageEntity": {
    "action": "Update",
    "entityId": "82636883",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xc3315c8dbeae648d91e6fa6ca5190fa35e931ae65b48027c755ee7730af8136f",
    "signature": "0xe6542f263be757bff503ee69be6a7a2b3cd11936d7f9a363ff31f17ff95b3a7637dd57f6ef3e0d05c0270d501a13ad8b4b221aba7bf1bb829ca34ebcd0642f941b",
    "signer": "0x5f512800E8460c0e3A244c95Ff54E4310f2c488b",
    "userId": "82636883"
  }
}