{
  "manageEntity": {
    "action": "Update",
    "entityId": "952196459",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x92b40fa3ae76aabcef9a8b54fa8ff6d623dab0b74d53a784e266867cefb7fcd1",
    "signature": "0x5ae40c0101f9fadaa9e719848b1617912499e80420ae9fc6f3af2067a1ee8b997339d9f22c1af6e8ac55e0bc9814e8245ff4831f7e5abf52fbf63e5be6ea97df1b",
    "signer": "0x89715A6F0c23C84cE71166083899D25bE26BfBC1",
    "userId": "952196459"
  }
}