{
  "manageEntity": {
    "action": "Update",
    "entityId": "958967279",
    "entityType": "User",
    "metadata": "{\"cid\":\"bagaaiera7f3gxhuaosrqciviaq64og6eyoefg5dtck6bc4vofjh4ddvvpyza\",\"data\":{\"events\":{},\"playlist_library\":{\"contents\":[{\"type\":\"playlist\",\"playlist_id\":4281}]}}}",
    "nonce": "0x3fe83a72ed7709ddef8c7eeaaf94f98aab548d50f3d883b9e4f1b6bff301486c",
    "signature": "0x47f1dd8f6bf97ecbbfbae180a47cfb23501be122a2fdc8ecd46937199e1a2cd847c4a77e4b3d580db9d5683b35e95f0170b25937f2f3ddb26009b193790deb0c1c",
    "signer": "0x6A72813Fa8AA17b1147243997B76e8191475e74a",
    "userId": "958967279"
  }
}