{
  "manageEntity": {
    "action": "Update",
    "entityId": "980941",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaierapffx2cgk3htoh2wkb5tbuyv7hnywl35scxyinkxznicyoqp67o4q\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":1683845443},{\"type\":\"playlist\",\"playlist_id\":4281},{\"type\":\"playlist\",\"playlist_id\":53481},{\"type\":\"playlist\",\"playlist_id\":142975}]}}}",
    "nonce": "0xe608732750990b9773202545fa7ddf38972183e2cee15f07d12e622c91a3a8cc",
    "signature": "0xb039a7db152f9c8789ba6413974fc30e75747b5d8e3860a6754bf55937b7bc050be598758fae030e3fcec3a55ab11032e5af61ae9621ca5195e2ebb07d6bc5d21c",
    "signer": "0xad12A53B30a86D04715B5663c5832Df6E2Cb9710",
    "userId": "980941"
  }
}