{
  "manageEntity": {
    "action": "Update",
    "entityId": "929936666",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x2e26919df96c502ff3d6753d31cee9445016c1552f1d5adad818f4fbe6a083c3",
    "signature": "0x273ff620e1dd4e3639218cd0a9bc46758ae9abc8444b06a3742094dc87b3ec89605da718461da03e2e68b8d174ab2bad5137eb4ad1d56d8a8ea3d6be61e983bd1b",
    "signer": "0xE25292E161c7e48D0e41E7aD0C6E15E2A21f8aB1",
    "userId": "929936666"
  }
}