{
  "manageEntity": {
    "action": "Update",
    "entityId": "497077653",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0xd9de298e72b6a5b02ef38fd812a545031b7cfe583fa270f973459d9c4df5f952",
    "signature": "0x146e89238255eb2f905cbf82e9463e5d73e9c28b0e130fe6c1b6c4c22f99a6d845de71eecc3fdb5bc7888dfcdc6f3314749614271f8e27c12baa38105f2d8e7d1b",
    "signer": "0x6159c95cFF5F68A8C5480982647CA1D60b9d5D57",
    "userId": "497077653"
  }
}